Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical wavelength division multiplexing transmission network system using transmitting/receiving apparatuses having 2-input and 2-output optical path switching elements

Optical wavelength division multiplexing transmission network system using transmitting/receiving apparatuses having 2-input and 2-output optical path switching elements

US Patent 6643463 · Granted Nov 4, 2003

Estimated economic value: $3,562,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Image generation device and image generation method2022
Transfer system2020
Sensor terminal and sensor network system2017
Transfer system2016
Planar lightwave circuit, design method for wave propagation circuit, and comput2013
Planar lightwave circuit, design method for wave propagation circuit, and comput2013
Planar lightwave circuit, design method for wave propagation circuit, and comput2013
Imaging apparatus and open/close device2011
Transimpedance amplifier2011
Planar lightwave circuit, design method for wave propagation circuit, and comput2010
Optical functional circuit2009
Transparent touch panel and a method of manufacturing the same2009